18393453

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 30744000

約数和(自身を除く): 12350547

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 139, 169, 261, 351, 377, 417, 507, 783, 1131, 1251, 1521, 1807, 3393, 3753, 4031, 4563, 4901, 5421, 10179, 12093, 14703, 16263, 23491, 36279, 44109, 48789, 52403, 70473, 108837, 132327, 157209, 211419, 471627, 634257, 681239, 1414881, 2043717, 6131151, 18393453]

約数ペア:

[(1, 18393453), (3, 6131151), (9, 2043717), (13, 1414881), (27, 681239), (29, 634257), (39, 471627), (87, 211419), (117, 157209), (139, 132327), (169, 108837), (261, 70473), (351, 52403), (377, 48789), (417, 44109), (507, 36279), (783, 23491), (1131, 16263), (1251, 14703), (1521, 12093), (1807, 10179), (3393, 5421), (3753, 4901), (4031, 4563)]